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Posted: 9/9/2007 7:58:35 PM EST
Besides price what's the major advantage? I'm going back and forth between the two.

I'm planning on sharing this between two AR's (one with a 16" barrel and one with a 11.5")

Link Posted: 9/9/2007 8:49:09 PM EST
The question is, do you want to use the suppressor on full auto. The M4-2000 is rated for unlimted full auto. The M4-1000 is a more inexpensive version for lighter duty use such as semi-auto.
Link Posted: 9/9/2007 9:21:23 PM EST
[Last Edit: 9/9/2007 9:21:57 PM EST by twckxbzd]
i like the mount on the m42k. i have an 06 m42k thats gonna be going back to be rebuilt as an 07 soon.
Link Posted: 9/9/2007 9:39:46 PM EST
The m4-2000 mod 07 has an inconel blast baffle with the new ratchet mount. The m4-1000 is made of 304 stainless and uses the older style mount. They should probably sound about the same. The 2000 is a few oz lighter and shorter.

Many people have the misconception that the m4-1000 is not for full auto use. It is rated for full auto use. It is made of 304 SS, the same as OPS Inc. We all know how durable they are.

For your case, I think you would be happy with the 1000. If I had a 11.5" M16, I might go for the 2000 mod 07. I guess if you just wanted the probably the strongest 5.56 can out there the 2000 mod 07 would be it.
Link Posted: 9/9/2007 11:50:58 PM EST
Besides what's been mentioned, the m4-2000 has the scarmor finish...
Link Posted: 9/10/2007 5:29:37 AM EST
The mount on the 2000 is more secure than the 1000. The 2000 will be more durable if you plan on using it on your 11.5" more often. The iconel blast baffle will be able to handle the higher pressure of the shorter barrel better.

You'll want the 2000 if you get the 1000 and end up paying 1/2 retail to upgrade it down the road anyway. Get the 2000.
Link Posted: 9/10/2007 6:29:53 AM EST
[Last Edit: 9/10/2007 6:30:55 AM EST by ian187]

Originally Posted By wcc005:
Many people have the misconception that the m4-1000 is not for full auto use. It is rated for full auto use. It is made of 304 SS, the same as OPS Inc. We all know how durable they are.



The OPS uses a blast baffle incorporated into the muzzle brake. It is considerably thicker than the blast baffle of the M41K. Also, because of the way the OPS can is made there is less pressure in the blast chamber where as the M41K has all of the pressure and heat directed onto the first SS baffle.

Link Posted: 9/10/2007 6:53:51 AM EST

Originally Posted By twckxbzd:
i have an 06 m42k thats gonna be going back to be rebuilt as an 07 soon.


How much do they charge to do this and what is the turnaround time?
Link Posted: 9/10/2007 10:35:25 AM EST
The differences in materials aside, for me the m42k mod 07 is worth the $$ over the m41k simply because of the new ratchet mount, which is far superior to the old style mount of the m41k.
Link Posted: 9/10/2007 12:18:21 PM EST
I was told the M41000 had Inconel. I am not sure if it was just the blast baffle or what. You would have to check with AAC. A phone call would be best.
Link Posted: 9/10/2007 1:44:57 PM EST
The m41k does not have inconel. It is completely stainless. The M42k has an inconel blast baffle.
Link Posted: 9/10/2007 2:06:12 PM EST
[Last Edit: 9/10/2007 2:11:55 PM EST by Green0]
Link Posted: 9/10/2007 7:03:17 PM EST

Originally Posted By CAR-AR-M16:

Originally Posted By twckxbzd:
i have an 06 m42k thats gonna be going back to be rebuilt as an 07 soon.


How much do they charge to do this and what is the turnaround time?


i think its gonna be half the price of retail and turn around i have no idea.
Link Posted: 9/10/2007 7:29:47 PM EST
Personally I would not get a .308 can for dual use. Yes it has more volume and lower back pressure but since the bore is larger, it will be louder.
Link Posted: 9/11/2007 8:35:30 AM EST
[Last Edit: 9/11/2007 8:36:25 AM EST by Green0]
Link Posted: 9/11/2007 10:17:13 AM EST

Originally Posted By Green0:

Originally Posted By Einstein:
Personally I would not get a .308 can for dual use. Yes it has more volume and lower back pressure but since the bore is larger, it will be louder.


A poster on silencertalk had just posted his 7.62 sd with his M4 was not ringing his ears.

That's good performance to me. It's more length than volume IMO. I think the additional two inches of length makes the extra tenth of an inch of bore diameter nearly a non-issue.

Reduced backpressure is almost guaranteed with the larger bore... and that means less blast comming out the ejection port on M4's.. which is more important to me than noise comming out the other end 20+ inches from my face and directed downrange.


My .30 suppressor mounted on my AR is quieter because it is about 2X longer.

I don't use my .30 on my AR much because it is too big. Everything you said is true though.



Link Posted: 10/9/2007 8:34:46 PM EST
Anyone have any pics of this? I'd love to see it.
Link Posted: 10/9/2007 9:39:58 PM EST

Originally Posted By Einstein:
Personally I would not get a .308 can for dual use. Yes it has more volume and lower back pressure but since the bore is larger, it will be louder.


The extra volume makes up for the looser bore, they sound very close.
Link Posted: 10/10/2007 3:24:20 AM EST
[Last Edit: 10/10/2007 3:26:29 AM EST by PHD]
Link Posted: 10/10/2007 8:56:31 AM EST

Originally Posted By Green0:
If your guns are both semi auto, the M41K should be fine, and I say that, but AAC people claim the M41K will take more abuse than anything else on the market... which is a bold claim when the M4QD and Surefire cans are all inconel.

The 2kmod7 is a better product, so if you have the money to burn, buy it.


My personal opinion is assinine in most people's reasoning, but I would go with a 7.62 SD, because it is only 22ounces, and it will suppress both the .762 and .223, using a M41K mount. (comparable to KAC's M4 QD in terms of weight.)

The SCARMOR finish comes on the 7.62 SD as far as I know, and the unit is a little cheaper than a mod7.

I have pretty good hearing, so I'm guessing the 7.62SD would sound better on an M4 anyway. (more volume, larger bore diameter ='s less back pressure hopefully, and maybe less risk of an errant, shit round causing a baffle strike.)

That is 8" long though, so it makes your 11.5 a 19.5" working length.

I don't mind that. I just want to ditch ear plugs and save money.


We think a lot alike.
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